Files required for the template to function:
Ancillary files for the template:
Install from Admin → Extensions → Install/Uninstall → Choose File → Select file → Upload File & Install
Make the template default at Admin → Extensions → Template Manager → rt_omnicron_j15 → Default
The following are required for Omnicron to operate fully:
Omnicron is a CSS 3 template with graceful degradation. Firefox 3.6+, Safari 5+, Opera 10+, Chrome 3+ and experimentally with IE9, support CSS3.